The islands were sighted by Columbus in 1503 and named Las Tortugas after the large number of sea turtles swimming in the sea. A 1523 map called them Las Largartos (after alligators or large lizards). In 1530 the name became Caymanes after the Carib word caimán for the marine crocodile.
The Cayman Islands are a British oversea territory and formerly a dependency of Jamaica. Their first constitution was drawn up in September 1959.
Of course they are now noted as a tax haven.
Ceylon is the large island to the South of India, now called the Republic of Sri Lanka. Ceylon was an important naval base for Britain during WWII.
To see what others have chosen for this week's open theme visit Viridian's Sunday Stamps 43.